baber/WOPTO huggingface dataset:
Patent GB-703255-A (GB)
Title: Improvements in electric circuit arrangements for operating low pressure electric discharge lamps having preheatable electrodes
IPC: H05B41/232
Filed: 1950-08-03
Abstract: 703,255. Supply systems for space discharge apparatus. GENERAL ELECTRIC CO., Ltd., and CATES, J. July 16, 1951 [Aug. 3, 1950], No. 19444/50. Class 38 (4) At least one pair S1, S2, of electrode-heating secondary windings are so directed that the voltages induced therein are in opposition to that applied to the primary winding P of an instant start circuit arrangement for operating one or more discharge lamps each having two pre-heatable electrodes, the arrangement including the primary winding connected to an A.C. supply, possibly through a ballast impedance, and connections between the primary winding and the said pair of secondary windings for the supply of operating current to the lamp(s), the said connections possibly also or alternatively including a ballast impedance L. The invention is shown applied to two series connected lamps T, T2 of which the adjacent electrodes F2, F3 are supplied by a further secondary winding 3. The lamps have earthed starting strips E1, E2 and radio interference suppression condensers C1, C2. The arrangement may alternatively comprise parallel connected lamps. One ballast impedance may be inductive, capacitive, resistive, combinations thereof, or may comprise incandescent lamps.
Patent GB-722755-A (GB)
Title: Improvements in and relating to actuating mechanism for clutches
Inventor: BURNETT STANLEY FREDERICK
IPC: F16D25/08
Filed: 1953-07-15
Abstract: 722,755. Operating clutches. SELF-CHANGING GEARS, Ltd. July 15, 1953 [Aug. 1, 1952], No. 19481/52. Class 80 (2). Actuating mechanism for clutches, e.g. a multidisc clutch 2, of the kind employing a fluid operated piston 27 for applying engaging pressure to the clutch surfaces, comprises a ring 15 mounted for tilting movement under the action of the fluid actuated piston and transmitting axial displacement for clutch actuation to an intermediate ring 12, connected to the tiltable member by substantially diametrically opposite pivots or trunnions 14, Fig. 2, the axis of which lies in a plane other than the plane of tilting of the ring 15. The ring 15 is fulcrummed at one side on a pin 16 which can be adjusted for length, and at a diametrically opposite point is engaged by a crank 22 of a pivoted lever 23 connected to the piston 27. The intermediate ring 12 is connected by a combined radial and thrust ball bearing 11 to a slidable sleeve 4 splined to a driving shaft 6 and transmitting thrust to the clutch pressure plate. The piston 27 can be actuated by either compressed air or liquid. The device is particularly applicable to planetary gearing, which can be of the type described in Specifications 639,104, 641,831 and 642,054.
Patent GB-444527-A (GB)
Title: Improvements in or relating to devices for pressing waves of hair
IPC: A45D2/42
Filed: 1935-07-08
Abstract: 444,527. Hair - waving appliances. SOLOMON, N. L., 2802, Avenue K, Brooklyn, New York, U.S.A. July 8, 1935, No. 19490. Convention date, July 26, 1934. [Class 131] A hair-wave presser comprises a pair of hinged clamping jaws 11, 12 provided at one end with operating members 21, and at the other with channel shaped recesses or grooves 14, the outer faces of which are provided with teeth 18 which intermesh and lie in the same plane when the jaws are closed, thus forming a seat to permit the device to rest comfortably on the scalp. The jaws 11, 12 are provided with ventilating openings 24, and stiffening ribs 20 which may be situated either centrally of the jaws, or adjacent the members 21.
Patent GB-388992-A (GB)
Title: Improvements in the electrodeposition of zinc
IPC: C25C1/16
Filed: 1932-07-09
Abstract: 388,992. Electrodeposition of zinc. KAIZIK, K., 26, Schweidnitzer, Stadtgraben, Breslau, Germany. July 9, 1932, No. 19493. [Class 41.] A cell for the electrodeposition of zinc from solutions also containing manganese using insoluble anodes is provided with partitions 5, Fig. 2, transverse to the electrodes 3 to provide a downward return path at the sides for the electrolyte which rises between the electrodes owing to heat and the liberation of gas. The partitions may extend to the bottom of the cell and to the surface of the electrolyte if openings are provided at those places. Cooling pipes may be disposed in the outer channels to assist the circulation or the vessel may be provided with a cooling jacket. The partitions may be provided with grooves to receive the electrodes. In a modification the apparatus comprises a number of independent electrode assemblies each comprising a pair of anodes with separating strips and an intermediate cathode. In the modification shown in Fig. 11, the partitions are built up of units 11, each carrying two anodes 3 and having grooved extensions between which the cathodes 4 are held. Double anodes may be provided with intermediate reinforcing members. Manganese dioxide is deposited on the anodes as a compact protective coating ; the adherence of this coating is improved by providing the anodes with a number of small perforations.
Patent GB-314226-A (GB)
Title: Improvements in reflectors for artificial lighting
IPC: F21V7/00
Filed: 1928-07-06
Abstract: 314,226. Benjamin Electric, Ltd., and Harrison, H. T. July 6, 1928. Overhead lamps.-An overhead lamp is provided with a reflector 2 carrying a glass bowl 1 having an upwardly extending coned surface 8 arranged at such an angle as to reflect rays of light 10 through the upwardly inclined sides of the bowl to augment the illumination of distant parts. The top of the coned surface 8 may be flat, as shown, or it may be in the form of a spherical depression to accommodate an electric lamp bulb. The bowl may be made entirely of clear glass or parts of it may be made of opal glass or be frosted or otherwise made diffusing. The bowl may be secured to the reflector by means of a hinge at one side and a fastening at the other, or by means of a clamping ring 5, a felt or other gasket 7 being arranged between the flange 6 of the bowl and the brading 4 of the reflector to form a dust-tight joint. The reflector 2 may have a dispersive surface and may be provided with a skirt portion 3 giving a cut-off of about 20‹ to the horizontal.
Patent GB-472438-A (GB)
Title: Improvements in and relating to mineral water siphon bottles and similar containers for aerated liquids
IPC: B67D1/04
Filed: 1936-07-15
Abstract: 472,438. Siphon bottles. EUGSTER, E. J. P. July 15, 1936, No. 19670. Addition to 435,573. [Class 14 (i)] The siphon head described in the parent Specification is modified in that the gasrelease valve 16 closes the common outlet of two vent passages 10, 10a formed in the siphon tube carrier 3. The mushroom valve shown has a stem 15 guided in a bore in the carrier, and is held closed by a spring 17 secured at its free end to the carrier. The liquid-release valve 3c co-operates with a seating 3b at the upper end of the carrier 3, which is formed with grooves 3b<1>. Owing to this arrangement, liquid from the bottle can leak past the valve 3c to form a liquid seal about the discharge valve 22. The siphon tube 2 is secured to the carrier 3 bv a threaded socket 3a which abuts a ring 3a<1> secured to the siphon tube. The mushroom valve may be replaced by a ball or disc valve mounted upon the spring 17.
Patent GB-1223873-A (GB)
Title: Vacuum gap devices
Inventor: RICH JOSEPH ANTHONY
IPC: H01H33/664
Filed: 1968-04-25
Abstract: 1,223,873. Cold-cathode tubes. GENERAL ELECTRIC CO. 25 April, 1968 [19 May, 1967] No. 19712/68. Heading HID. A vacuum-arc discharge device includes two electrode arrays extending from two baseplates respectively and arranged in an interdigitated fashion with respcet to one another, such that the vector product of current density and of magnetic field in the arc discharge is substantially zero in the spaces between the electrodes, whereby the formation of anode spots due to the constriction of current flow by the magnetic field is avoided. The two sets of electrodes 16 and 18 are mounted on end plates 15 and 17 respectively of the metal envelope, and are insulated from one another by the seal 14, which is protected from the deposition of vaporized metal particles by a pair of bafflese.g. 26. Each electrode consists of a central rod 19 or 22 joined at one end to the end plate, and at the other end-which is spaced from the opposite end plate-to a coaxial cylinder 20 or 23, whereby oppositely directed current flow occurs in the cylinder and rod of each electrode, with cancellation of the external magnetic field. The device is evacuated to 10-<SP>5</SP> torr or less, the arc being initiated by the injection of plasma from a trigger assembly 27 which includes a trigger electrode 28 formed of a metallized ceramic cylinder having a scored gap, the metal on opposite sides of which is connected to the portion 29 of the base-plate 17, and to the lead 32, respectively. Alternatively, the arc may be triggered by an electrode which normally contacts the end disc 21 of one or more of the electrodes, and which is capable of being withdrawn out of contact from outside the tube envelope (Fig. 2, not shown); and the sidewall 13 of the envelope may be glass, alumina, or ceramic, protected by a cylindrical conductive shield. In another arrangement (Figs. 4 to 7, not shown), of simpler structure but providing less complete cancellation of the magnetic field, the electrodes projecting from the end plates are solid, the field of a given electrode being partially cancelled by the fields of the neighbouring electrodes. In a further arrangement (Figs. 8 and 9, not shown) the electrodes are in the form of radially extending plate-like vanes, the avoidance of the constriction of current flow arising from the fact that the resultant magnetic field between the vanes is substantially parallel to the direction of the arc current. In modifications of this arrangement, the vanes are in the form of solid segments (Fig. 10, not shown), or are V-shaped (Fig. 11, not shown) in order to provide inter-electrode regions of uniform width.
Patent GB-880042-A (GB)
Title: Improvements in or relating to penicillins
Inventor: DOYLE FRANK PETER
IPC: C07D499/00
Filed: 1959-06-09
Abstract: Relates to penicillins of the general formula <FORM:0880042/IV (b)/1> and non-toxic salts thereof, where R is a phenyl, substituted phenyl or alkyl group and X is a halogen atom or an alkoxy, aralkoxy, alkylthio or alkanoyloxy group.  R may have the general formula <FORM:0880042/IV (b)/2> where R1, R2 and R3 are the same or different and each is a hydrogen atom or a nitro, dialkylamino, dialkanoylamino, alkyl, chloro, bromo, iodo, alkoxy or a sulphamyl group.  Typical of the penicillins of the invention are a -chloropentyl, a -chloroheptyl, a -chlorobutyl and a -methoxybenzyl penicillin, the specification referring to many others.  The penicillins may be prepared by reacting 6-aminopenicillanic acid or a neutral salt thereof with an acid chloride of the general formula <FORM:0880042/IV (b)/3> or with a functional equivalent thereof as an acylating agent for a primary amino group such as the corresponding carboxylic acid bromides, acid anhydrides and mixed anydrides with other carboxylic acids, including monoesters, and particularly lower aliphatic esters, or carbonic acid.  a -fluoro-phenyl acetic acid is prepared by heating diethyl 2-fluoro-2-phenyl malonate with aqueous sodium hydroxide on a steam bath until a clear solution is obtained, acidifying to precipitate a solid which is heated in suspension in 6N hydrochloric acid until evolution of carbon dioxide subsides.  The residual oil is extracted and purified to give a -fluoro-phenyl-acetic acid.  a -ethylthiohexoyl chloride is prepared by reacting a -ethylthiohexoic acid and thionyl chloride.  a -ethylthiohexoic acid is prepared by reacting a -bromohexoic acid and ethyl mercaptan in aqueous sodium hydroxide.ALSO:A pharmaceutical preparation comprises a pharmaceutical carrier and a penicillin of the general formula <FORM:0880042/VI/1> or a non-toxic salt thereof, where R is a phenyl, substituted phenyl or alkyl group and X is a halogen atom or an hydroxy, alkoxy, aralkoxy, alkythio or alkanolyloxy group (see Group IV (b)).
Patent GB-313778-A (GB)
Title: Improvements in or relating to sound reproducing apparatus
IPC: H04R7/02
Filed: 1928-07-09
Abstract: 313,778. Crull, W. H. H. July 9, 1928. Tool-arm mountings.-The stylus-bar is held against knife-edge pivots by a spring acting at a line or point in the line passing through the pivots or in a line parallel thereto but more distant from the diaphragm, the mounting being thus in balanced or unstable equilibrium respectively with the diaphragm at rest and opposing no resistance to its movement by the record. Figs. 1 and 3 show the stylus-bar 2 held against knifeedge pivots 3 by a tension spring 12 extending between a cross-bar 11 bearing on internal lugs on the sound-box casing 6 and a cross-bar 10 bearing on the stylus-bar either in the line of the pivots 3 or more distant from the diaphragm 8.
Patent GB-629893-A (GB)
Title: Improvements in or relating to radio aerials
IPC: H01Q13/00
Filed: 1946-07-03
Abstract: 629,893. High-frequency electric transmission lines. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. July 3, 1946, No. 19956. Convention date, July 4, 1945. [Class 40 (viii)] [Also in Group XL (c)] An arrangement for coupling a transmission line to a slot-type aerial comprises a triangular plate within a resonant chamber mounted behind the slot having its base connected to the edge of the slot and a transmission line connected to the apex of the triangular plate. As shown in Figs. 1 and 2 a pair of 90 degree slots 12 and 14 and a central slot 16 forming a pair of radiating triangular members 18 and 20 are provided in a plane conductive surface 10 (e.g. airplane fuselage) behind which is fastened a metal pan 22 forming cavities 21, 23 having an effective depth of #/4 and serving to isolate the triangular members from the sheet 10. The members are energized by means of a triangular feed-plate 26 having its base connected to one edge of slot 16 and its apex connected to a transmission line TL and contained within a resonant feed chamber 24. An aerial of this type is stated to have low magnitude side lobes and to be relatively small and the standing wave ratio is stated to be less than 2 : 1 over a frequency variation of 16 per cent of the mid-band frequency. It may be reduced in size by capacity loading at the free ends of the radiating members or by omitting the boundary slots, the former reducing the band width and the latter increasing the side lobes in the radiation pattern. A modified construction in which the boundary slots are omitted is shown in Figs. 4 and 5 and comprises two slots 38 and 40 lying diagonally across rectangular cavities 34 and 36 having a side length of 0.55# and a total depth of 0.07#. A prismatic conductive strip 42 of triangular cross-section is connected to the sheet 10 between the slots and to cavity 34 by means of studs 44, 46 which ensure that only the desired mode of oscillation can be set up in the cavities. This standing wave ratio with this construction is low and substantially constant for bandwidths of about 18 per cent of the mid-band frequency but rises abruptly at the low frequency end of this range and thus provides a high-pass filter characteristic. A further modification, Figs. 7 and 8 (not shown), comprises an arrangement similar to the construction of Figs. 4 and 5, but with the rectangular cavities folded back to back against one another. In this arrangement the input impedance may be varied by varying the spacing between the apex of the feed triangle and a side wall of the cavity. All the constructions described may be protected against weather conditions by filling the slots with an insulating material such as polystyrene or lucite. Specification 592,180 is referred to.
Patent GB-1009689-A (GB)
Title: Diaphragm pump
IPC: F04B11/00
Filed: 1962-05-24
Abstract: 1,009,689. Diaphragm pumps. A. C. F. INDUSTRIES INC. May 24, 1962 [July 5, 1961; Aug. 17, 1961; Jan. 26, 1962], No. 19968/62. Heading F1A. In a diaphragm fuel pump actuated on its suction stroke by an engine driven cam 11, and on its delivery stroke by a spring 35, the pumping chamber body 25 is of sheet metal less than 0.05 inch thick to dissipate heat. Inlet and delivery valves 69, 71 each comprise a spring- loaded flexible disc 89, Fig. 4, e.g. of synthetic rubber, controlling an annular series of apertures 81, 82. In the embodiment shown, pulsation absorbing means comprise air chambers 109 formed between funnel members 93 and gauze discs 99, 101 which also act to trap air or vapour. In other embodiments the pulsation absorbing means comprise a flexible diaphragm closing an air chamber in the delivery cavity, and hollow spheres or tubes of synthetic rubber, or rings of foam rubber in the inlet and delivery cavities. Specification 1,009,690 is referred to.
Patent GB-1498773-A (GB)
Title: O-triazolyl-(thiono)(thiol)-phosphoric(phosphonic)acid esters and ester-amides process for their preparation and their use as insecticides and acaricides
IPC: C07D249/12
Filed: 1976-05-14
Abstract: 1498773 Triazole phosphorus compounds BAYER AG 14 May 1976 [14 May 1975 21 June 1975] 20006/76 Headings C2P and C2C The invention comprises compounds of formula (wherein R is C 1-6  alkyl; R 1  is phenyl, C 1-6  alkyl, C 1-6  alkoxy, C 1-6  alkylthio, C 1-6  alkylamino or di-(C 1-6  alkyl)amino; R 2  is H or C 1-4  alkyl; Hal is halogen; and X is O or S); and their preparation from the corresponding 3- hydroxytriazoles (or alkali or alkaline earth metal or ammonium salts thereof) by reaction with (RO)(R 1 )P(X)(Hal 1 ), where Hal 1  is halogen, in the presence of an acid acceptor if appropriate. 1 - (2 - Cyanoethyl)- or 1-(2-cyanopropyl)-3- hydroxy-5-chloro-1,2,4-triazole is prepared from (2-cyanoethyl)hydrazine or (2-cyanopropyl)- hydrazine by reaction with Cl.CO.N : CCl 2 . Insecticidal and acaricidal compositions comprise a compound (I) and a carrier.
Patent GB-532118-A (GB)
Title: Improvements in heat insulated and like containers such as refrigerators
IPC: B65D81/38
Filed: 1939-07-11
Abstract: 532,118. Refrigerators &c. SIMONS, I. J. July 11, 1939, No. 20105, [Class 29] In heat-insulated containers a cut-out plywood frame A is employed in place of jointed solid frame members to fit in the sides or ends of an outer casing C formed of panels D let into grooved corner posts E. Angle metal frames B may be attached to the frames A to stiffen them, and handles may be formed by recesses F in the panels, closed on the inside, to avoid projecting parts. The container is provided with the usual inner wall and insulation (not shown).
Patent GB-1423012-A (GB)
Title: Light emitting devices
IPC: F21K99/00
Filed: 1973-02-22
Abstract: 1423012 Electroluminescence NORTHERN ELECTRIC CO Ltd 22 Feb 1973 [22 Feb 1972 24 Feb 1972] 20127/75 Divided out of 1423011 Heading C4S [Also in Divisions F4 and H1] A light-emitting device comprises a semiconductor electroluminescent element (e.g. PN- element 2) mounted at the focus of a parabolic reflector 10, and transparent insulating encapsulant 14 with polylenticular lens formation on the front face, each cavity having an arcuate part-spherical inner portion and a conical outer portion. The lens formation comprises a plurality of concavities forming one or more series of identical shapes. The visual appearance comprises a plurality of bright spots filling the desired shape. An optical filter improves contrast. PN device 2 may be GaP : Zn, O, and the reflector provides electrical contact to lead 13. Wire 16 connects to positive lead 17. The sequence of assembly is outlined and the lamps are preferably moulded with the front face down so that any imperfections occur on the back part. Inclined peripheral portion 18 causes a small portion of the light to emerge at approximately 90 degrees to the vertical axis of the lamp. Pedestal 11 ensures light is not reflected on to the central part of face 12 already illuminated directly. If s/c element 1 emits non- visibly (e.g. in the infra-red), then an upconverting phosphor may be coated directly on the s/c element, or by coating on a further support. Indicator and signal lamp applications are instanced. Reference is made to PN junctions 0À015 inches square.
Patent GB-863143-A (GB)
Title: Cyclone separators
Inventor: CAREY WINDHAM FRANCIS
IPC: B04C5/14
Filed: 1958-06-25
Abstract: 863,143. Centrifugal separators. IMPERIAL CHEMICAL INDUSTRIES Ltd. June 10, 1959 [June 25, 1958], No. 20351/58. Class 23 In a cyclone having at one end an inlet 2 and an outlet 3 for gas, an enlargement 4 extends completely around the other end and is connected to an outlet 5 discharging dust and a small proportion of gas. Dimensions, and performance figures for the apparatus are given in the Specification.
Patent GB-778781-A (GB)
Title: Improvements in electric plugs for plug and socket connections
IPC: H01R9/05
Filed: 1954-07-12
Abstract: 778,781. Two-part couplings. SHARDLOW ELECTRIC WIRES, Ltd., JONES. P., and WRIGLEY, D. V. July 12, 1955 [July 12, 1954], No. 20372/54. Class 38 (1). A plug for a metal screened cable or, as shown, for a coaxial cable comprises a metal body 1, an insulating collet 6 and a cap 16, the metal braiding 14 of the cable being clamped between the collet and the cap and a split part 9 of the collet being clamped round the core insulation 15 when the cap 16 is screwed into the body 1.
Patent GB-293840-A (GB)
Title: Improvements in or relating to seaplanes
IPC: B64C35/00
Filed: 1928-07-13
Abstract: 293,840. Colavito, P. July 13, 1927, [Convention date]. Aeroplanes; cars; propelling; floats, arrangement of.-A seaplane has two or more fuselages or cars each fitted with a rudder and a corresponding number of floats each having a water rudder, the rudders on the floats and fuselages being controlled in unison. A machine with three cars is shown, a tractor propeller being mounted on the centre car a and pusher propellers with separate motors b between the centre and outer cars. The floats e are formed of cork plates or waste stuck together by a casein glue rendered insoluble by urine. The machine may be used as a surface craft after removal of the wings.
Patent GB-1433783-A (GB)
Title: Process for the detection and determination of haptens
IPC: G01N33/576
Filed: 1973-04-30
Abstract: 1433783 Hapten conjugates AKZO NV 30 April 1973 [11 May1972] 20416/73 Heading C3H [Also in Divisions C2 and G1] Hapten-enzyme and hapten-protein conjugates used in testing or for production of antibodies (see Division G1) are oestradiol-17- succinyl-horse radish peroxidase (HRP) and 11 - alpha - oestradiol - 11 - succinyl - HRP prepared by treating oestradiol-17-hemi-succinate or 11 - alpha - oestradiol - 11 - succinyl - HRP with tributyl amine, isobutyl chlorocarbonate and HRP; oestradiol - 17 - succinyl - bovine serum albumin (BSA) and 11-alpha-oestradiolsuccinyl-BSA prepared as above, oestradiol-17- maleinyl-HRP, oestradiol-17-glutaryl-HRP and oestrone - 17 - N - carboxy methyl oxim - HRP prepared as above, 11 - alpha - OH - progesterone-11-succinyl alkaline phosphatase (AP) and 12 - alpha - OH - progesterone - 12 - succinyl-AP prepared using progesterone hemisuccinate and AP, 11-alpha-OH-progesterone- 11 - succinyl - BSA and 12 - alpha - OH - progesterone - 12 - succinyl - BSA prepared as above, folate-methylated BSA (MBSA) prepared by mixing folic acid, 1-cyclohexyl-3-(2-morpholine ethyl) carbodiimide and MBSA, folateglucose oxidase and pteroyl-glucose oxidase prepared from folic acid or pteroic acid, 1-cyclohexyl - 3 - (2 - morpholino - ethyl) carbodiimide and glucose oxidase, 11-alpha-OH-oestrone-11- succinyl - HRP, 11 - alpha - OH - oestrone - 11- glutaryl - HRP, 11 - alpha - OH - oestradiol - 11- succinyl - HRP, 11 - alpha - OH - oestradiol- 11 - glutaryl - HRP, oestradiol - 17 - succinyl- HRP, oestriol - 16, 17 - disuccinyl - HRP, codeine - 6 - succinyl - HRP prepared from codeine - 6 - hemi-succinate, morphine - 3, 6 - diglutaryl-BSA prepared from morphine-3, 6-dihemiglutarate, 11 - alpha - OH - testosterone- 11 - succinyl - HRP, 11 - alpha - OH - dihydrotestosterone - 11 - succinyl - HRP, 11 - alpha- OH-nor-testosterone-11-succinyl-HRP.